test_proxy.sh fails

The test_proxy.sh test fails for Guix's package when applying patches 
for updating to 0.18.1.

FAIL: test_proxy.sh
===================

2022-11-20T03:11:15.969066+0000 gnunet-config-23009 ERROR Unreadable 
configuration file 
`/tmp/guix-build-gnunet-0.18.1.drv-0/gnunet-0.18.1/src/gns/test_gnunet_proxy.conf', 
exiting ...

     Importing CA into browsers
     =========================================
     You can now start gnunet-gns-proxy.
     Afterwards, configure your browser
     to use a SOCKS proxy on port 7777.
     =========================================
Generating RSA private key, 2048 bit long modulus (2 primes)
........................................................+++++
..............................................................................................................................................................................+++++
e is 65537 (0x010001)
writing RSA key
Signature ok
subject=C = DE, O = GNUnet, OU = GNS, CN = test.local
Getting Private key
Signature ok
subject=C = DE, O = GNUnet, OU = GNS, CN = test.local
Getting Private key
curl_multi_perform failed at test_gns_proxy.c:307: `Problem with the SSL 
CA cert (path? access rights?)'
2022-11-20T03:11:18.968884+0000 gnunet-gns-proxy-test-23093 ERROR 
Assertion failed at test_gns_proxy.c:318.
2022-11-20T03:11:18.968930+0000 gnunet-gns-proxy-test-23093 ERROR 
Assertion failed at test_gns_proxy.c:323.
rm: cannot remove '': No such file or directory
Failed
FAIL test_proxy.sh (exit status: 1)